Bajaj, H. C. ; Das, Amitava (1997) Mixed valence properties of a new binuclear complex, [(edtaH)RuIIINCRuII(CN)5]4- and kinetic studies of the aqua substitution reaction in RuIII(edta)(H2O)- by Ru(CN)64- Polyhedron, 16 (21). pp. 3851-3855. ISSN 0277-5387
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0277-5387(97)00132-0
Abstract
A new asymmetric mixed valence complex, K4[(edtaH)RuIIINCRuII(CN)5]· 2H2O, has been synthesized by aqua substitution reaction of [Ru(edtaH)H2O] by K4Ru(CN)6. Kinetic studies revealed an associative mechanism for the substitution reaction with a second order rate constant 13.8±0.6 M-1s-1at 25°C and pH = 5.0. This complex shows an MMCT maximum at 682 nm in water at 25°C. Thermochronism of the MMCT band has been discussed. On the basis of α2 (ground state delocalisation) and HAB (coupling integral) values this complex can be categorized as a Robin-Day class-II type complex.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Synthesis; Ruthenium; Binuclear Complexes; Kinetics; Mixed-valence; Thermochromism |
| ID Code: | 59912 |
| Deposited On: | 07 Sep 2011 14:17 |
| Last Modified: | 07 Sep 2011 14:17 |
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